certax.de - robtex.com
certax.de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a02:2350:5:111:90:7e6d:d1c1:5b38🇩🇰 ONECOM2a02:2350::/32 One.com A/S | ||||||
| A | 46.30.215.82🇩🇰 ONECOM46.30.208.0/21 One.com A/S | ||||||
| NS | ns01.one.com ⭐ | ||||||
| A | 2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48 | ||||||
| PTR | ns01.one.com | ||||||
| A | 195.206.121.10ONECOM-INFRA195.206.121.0/24 | ||||||
| PTR | ns01.one.com | ||||||
| NS | ns02.one.com | ||||||
| A | 2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48 | ||||||
| PTR | ns02.one.com | ||||||
| A | 185.10.11.10ONECOM185.10.11.0/24 | ||||||
| PTR | ns02.one.com | ||||||
| MX | mx1.pub.mailpod12-cph3.one.com ⭐ | ||||||
| A | 104.37.34.246🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx1.pub.mailpod12-cph3.one.com | ||||||
| MX | mx2.pub.mailpod12-cph3.one.com ⭐ | ||||||
| A | 104.37.34.247🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx2.pub.mailpod12-cph3.one.com | ||||||
| MX | mx3.pub.mailpod12-cph3.one.com ⭐ | ||||||
| A | 104.37.34.248🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx3.pub.mailpod12-cph3.one.com | ||||||
| MX | mx4.pub.mailpod12-cph3.one.com ⭐ | ||||||
| A | 104.37.34.249🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx4.pub.mailpod12-cph3.one.com | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-02-14 #5 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1773553752 | ||||||
Same first word
Similar names
DNS History
13 records (8 active, 5 former)
○NSns03.one.com2015-06-09 → 2017-04-28 · 4 obs
● 2017-04-28 11:00:50
○ 2026-03-05 13:11:14
○ 2026-03-24 06:11:14
●MXmx1.pub.mailpod12-cph3.one.com2026-03-05 → 2026-03-24 · 3 obs
● 2026-03-05 13:11:14
● 2026-03-24 06:11:14
●MXmx2.pub.mailpod12-cph3.one.com2026-03-05 → 2026-03-24 · 3 obs
● 2026-03-05 13:11:14
● 2026-03-24 06:11:14
●MXmx3.pub.mailpod12-cph3.one.com2026-03-05 → 2026-03-24 · 3 obs
● 2026-03-05 13:11:14
● 2026-03-24 06:11:14
●MXmx4.pub.mailpod12-cph3.one.com2026-03-05 → 2026-03-24 · 3 obs
● 2026-03-05 13:11:14
● 2026-03-24 06:11:14
○MXmxcluster1.one.com2015-06-09 → 2017-04-28 · 4 obs
● 2017-04-28 11:00:50
○ 2026-03-05 13:11:14
○ 2026-03-24 06:11:14
○MXmxcluster2.one.com2015-06-09 → 2017-04-28 · 4 obs
● 2017-04-28 11:00:50
○ 2026-03-05 13:11:14
○ 2026-03-24 06:11:14
●A2a02:2350:5:111:90:7e6d:d1c1:5b382026-03-05 → 2026-03-24 · 3 obs
● 2026-03-05 13:11:14
● 2026-03-24 06:11:14
○A46.30.212.1012015-06-09 → 2016-04-14 · 4 obs
● 2016-04-14 07:55:30
○ 2016-11-20 13:40:56
○ 2026-03-24 06:11:14
○A46.30.213.1992016-11-20 → 2017-04-28 · 5 obs
● 2016-11-20 13:40:56
● 2017-04-28 11:00:50
○ 2026-03-05 13:11:14
○ 2026-03-24 06:11:14
●A46.30.215.822026-03-05 → 2026-03-24 · 3 obs
● 2026-03-05 13:11:14
● 2026-03-24 06:11:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| certax.de | ns02.one.com, ns01.one.com | - |
✅ Authoritative Response
Server:185.10.11.10
NS records: ns02.one.com, ns01.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1233ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.30.215.82 |
| AAAA | 1 | 2a02:2350:5:111:90:7e6d:d1c1:5b38 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 4 | mx2.pub.mailpod12-cph3.one.com (pri: 10), mx4.pub.mailpod12-cph3.one.com (pri: 10)... |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
IP Addresses
certax.de points to two IP numbers: 2a02:2350:5:111:90:7e6d:d1c1:5b38 and 46.30.215.82.
Other host names, for instance www.versicherungsagentur24.at, optifer.international, earthshaker.agency, britishscoutsmadrid.com and cross-over.at share IP numbers with certax.de.
Name Servers
Delegation for certax.de rests with two name servers, ns01.one.com and ns02.one.com.
certax.de shares the same name server setup as other domains, including world-translation.de, walander.com, coda.dk, arjuna.dk and eriklund.com.
Host names with two IP numbers: ns01.one.com points to 2001:67c:28cc::10 and 195.206.121.10; ns02.one.com points to 2001:67c:3c0::10 and 185.10.11.10.
Mail Servers
certax.de is handled by four mail servers: mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com, mx3.pub.mailpod12-cph3.one.com and mx4.pub.mailpod12-cph3.one.com.
certax.de shares mail servers with other domains at least in part, for instance wardruna.com, jnart.se, netpower.se, mxpress.se and innspire.se.
Host names with a single IP address
mx1.pub.mailpod12-cph3.one.com points to 104.37.34.246
mx2.pub.mailpod12-cph3.one.com points to 104.37.34.247
mx3.pub.mailpod12-cph3.one.com points to 104.37.34.248
mx4.pub.mailpod12-cph3.one.com points to 104.37.34.249